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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">We have the following configured and it seems to be working ok.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">CgroupAutomount=yes<br>
ConstrainCores=yes<br>
ConstrainDevices=yes<br>
ConstrainRAMSpace=yes</span><span style="font-family:"Courier New""><br>
<br>
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Vlad.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> slurm-users <slurm-users-bounces@lists.schedmd.com>
<b>On Behalf Of </b>Boris Yazlovitsky<br>
<b>Sent:</b> Thursday, June 22, 2023 4:50 PM<br>
<b>To:</b> Slurm User Community List <slurm-users@lists.schedmd.com><br>
<b>Subject:</b> Re: [slurm-users] [EXT] --mem is not limiting the job's memory<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">Hello Vladimir, thank you for your response.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">this is the cgroups.conf file:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">CgroupAutomount=yes<br>
ConstrainCores=yes<br>
ConstrainDevices=yes<br>
ConstrainRAMSpace=yes<br>
ConstrainSwapSpace=yes<br>
MaxRAMPercent=90<br>
AllowedSwapSpace=0<br>
AllowedRAMSpace=100<br>
MemorySwappiness=0<br>
MaxSwapPercent=0<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">/etc/default/grub:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">GRUB_DEFAULT=0<br>
GRUB_TIMEOUT_STYLE=hidden<br>
GRUB_TIMEOUT=0<br>
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`<br>
GRUB_CMDLINE_LINUX_DEFAULT=""<br>
GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0 cgroup_enable=memory swapaccount=1"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">what other cgroup settings need to be set?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">&& thank you!<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">-b<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, Jun 22, 2023 at 4:02 PM Ozeryan, Vladimir <<a href="mailto:Vladimir.Ozeryan@jhuapl.edu">Vladimir.Ozeryan@jhuapl.edu</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">--mem=5G. Should allocate 5G of memory per node.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Are your cgroups configured?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> slurm-users <<a href="mailto:slurm-users-bounces@lists.schedmd.com" target="_blank">slurm-users-bounces@lists.schedmd.com</a>>
<b>On Behalf Of </b>Boris Yazlovitsky<br>
<b>Sent:</b> Thursday, June 22, 2023 3:28 PM<br>
<b>To:</b> <a href="mailto:slurm-users@lists.schedmd.com" target="_blank">slurm-users@lists.schedmd.com</a><br>
<b>Subject:</b> [EXT] [slurm-users] --mem is not limiting the job's memory</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">Running slurm 22.03.02 on Ubunutu 22.04 server.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">Jobs submitted with --mem=5g are able to allocate an unlimited amount of memory.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">how to limit on the job submission level how much memory it can grab?</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">thanks, and best regards!<br>
Boris</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> </span><o:p></o:p></p>
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